Bible Verses on murder

We all know that the Bible tells us that murder is a serious sin. God commands us not to murder... but why? These verses are what the Bible says about murder. Killing one of your fellow human beings is a terrible thing. We should love one another and protect each other. These Bible verses about murder should help you better understand that.

John 3
:12If I have told you earthly things, and ye believe not, how shall ye believe, if I tell you of heavenly things?

Romans 13
:4For he is the minister of God to thee for good. But if thou do that which is evil, be afraid; for he beareth not the sword in vain: for he is the minister of God, a revenger to execute wrath upon him that doeth evil.